Matchmaking Problems

Lately, I've been experiencing trouble in matchmaking. Although this is normals (and to some this is of no concern), I still want to be able to play the game and have a good time. I went on a small, 4 game win streak, and I had crazy good performance in each of the games. Perfect KDA, great farm, damage to champs, etc. My problem is with what followed.

In all my games following those, I was given AFK players, trolls, feeders, ragers, everything that the League community is bashed for. I don't understand why matchmaking is this way, punishing me for doing well. It's counterintuitive and makes me not want to play anymore. Playing well should be rewarded, and it is, but not by matchmaking.

I'm open to any thoughts, suggestions, or fixes to this problem, but please don't tell me to just ignore trolls. It's hard to ignore a 3/13/4 who has all stingers as a build and single-handedly ruins the game.

I'm just looking to have fun, and right now sadistic, insensitive players are wasting my time.